[R] Averaging 'blocks' of data

[Gabor Grothendieck]

This was answered last month:

http://tolstoy.newcastle.edu.au/R/e4/help/08/08/19091.html

On Sun, Sep 7, 2008 at 3:32 PM, Steve Murray <smurray444 at hotmail.com> wrote:
>
>
> Dear all,
>
> I have a large dataset which I hope to reduce in size, to make it more useable. I hope to do this by taking an average of each 60 x 60 blockof values and forming a new data frame out of the averaged values.
>
> How would I go about taking averages of 60 x 60 'blocks' in R, and cycling through the whole dataset, recording each calculated value in a new table/data frame?
>
> Many thanks for any advice offered.
>
> Steve
>
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